Functions are sorted based on the optimizer's performance relative to other algorithms. The rank number on each image (e.g. #1) indicates its standing on that specific function compared to all other optimizers tested.

#6

Langermann 2

#9

Weierstrass

#12

GradientLabyrinth

#14

Rastrigin

#19

EggHolder

#26

NeuralCanyon

#27

Gramacy & Lee 2D

#27

Lévy 13

#33

Langermann

#37

QuantumWell

#52

Styblinski-Tang

#61

Goldstein-Price

#67

Ackley

#69

Beale

#76

Rosenbrock

#78

Griewank